The skills that you need to become a data analyst are
1) You need to be good at statistics as data analysis is about interpreting numbers.
2) Not only statistics you should be able to formulate a problem properly because badly framed questions or hypotheses lead to errorneous results
3) Finally you should be good with the tools like SPSS and excel which help in the analysis of data.
You can also check out the Data Analytics blog of Edureka here:Introduction to Data Analysis.
Also check out Data Analyst video below:
Hope this is helpful!!